11242 + Mcqs in Chemistry Page 105 McqOptions

5201.	As the s-character of hybridisation orbital increases, the bond angle [BHU 2002; RPMT 2002]
A.	Increases
B.	Decreases
C.	Becomes zero
D.	Does not change
Answer» B. Decreases

Discussion

5202.	Which of the following is not tetrahedral [MP PMT 2001]
A.	\[SC{{l}_{4}}\]
B.	\[SO_{4}^{2-}\]
C.	\[Ni{{(CO)}_{4}}\]
D.	\[NiCl_{4}^{2-}\]
Answer» B. \[SO_{4}^{2-}\]

Discussion

5203.	Which of the following is not linear [DCE 2001]
A.	\[C{{O}_{2}}\]
B.	\[Cl{{O}_{2}}\]
C.	\[I_{3}^{-}\]
D.	None of these
Answer» C. \[I_{3}^{-}\]

Discussion

5204.	Which of the following pairs has same structure [BHU 2001]
A.	\[P{{H}_{3}}\] and \[BC{{l}_{3}}\]
B.	\[S{{O}_{2}}\] and \[N{{H}_{3}}\]
C.	\[PC{{l}_{5}}\] and \[S{{F}_{6}}\]
D.	\[NH_{4}^{+}\] and \[SO_{4}^{2-}\]
Answer» E.

Discussion

5205.	The bond angle is minimum in [Pb. PMT 2001; MP PET 2003; UPSEAT 2004]
A.	\[{{H}_{2}}Te\]
B.	\[{{H}_{2}}Se\]
C.	\[{{H}_{2}}O\]
D.	\[{{H}_{2}}S\]
Answer» B. \[{{H}_{2}}Se\]

Discussion

5206.	The correct order of hybridization of the central atom in the following species \[N{{H}_{3}}\] \[{{[PtC{{l}_{4}}]}^{2-}},\,PC{{l}_{5}}\] and \[BC{{l}_{3}}\] is [IIT Screening 2001; BHU 2005]
A.	\[ds{{p}^{2}},\,\,ds{{p}^{3}},\,\,s{{p}^{2}}\]and \[s{{p}^{3}}\]
B.	\[s{{p}^{3}},\,\,ds{{p}^{2}},\,\,ds{{p}^{3}},\,\,s{{p}^{2}}\]
C.	\[ds{{p}^{2}},\,\,s{{p}^{2}},\,\,s{{p}^{3}},\,\,ds{{p}^{3}}\]
D.	\[ds{{p}^{2}},\,\,s{{p}^{3}},\,\,s{{p}^{2}},\,\,ds{{p}^{3}}\]
Answer» C. \[ds{{p}^{2}},\,\,s{{p}^{2}},\,\,s{{p}^{3}},\,\,ds{{p}^{3}}\]

Discussion

5207.	In the complex \[{{[Sb{{F}_{5}}]}^{\,2-}},\]\[s{{p}^{3}}d\] hybridization is present. Geometry of the complex is [Pb. PMT 2000]
A.	Square
B.	Square pyramidal
C.	Square bipyramidal
D.	Tetrahedral
Answer» C. Square bipyramidal

Discussion

5208.	Which of the following formula does not correctly represent the bonding capacity of the atom involved [CBSE PMT 1990]
A.	\[\left[ H-\underset{\underset{H}{\mathop{\|}}\,}{\overset{\overset{H}{\mathop{\|}}\,}{\mathop{P}}}\,-H \right]\]
B.
C.
D.
Answer» E.

Discussion

5209.	Which molecule is not linear [CPMT 1994]
A.	\[Be{{F}_{2}}\]
B.	\[Be{{H}_{2}}\]
C.	\[C{{O}_{2}}\]
D.	\[{{H}_{2}}O\]
Answer» E.

Discussion

5210.	An octahedral complex is formed, when hybrid orbitals of the following type are involved [DCE 2003]
A.	\[s{{p}^{3}}\]
B.	\[ds{{p}^{2}}\]
C.	\[s{{p}^{3}}{{d}^{2}}\]
D.	\[s{{p}^{2}}d\]
Answer» D. \[s{{p}^{2}}d\]

Discussion

5211.	Which of the following is not true for metal carbonyls [MP PET 1993]
A.	The oxidation state of the metal in the carbonyls is zero
B.	The secondary carbonyls are obtained from photo-decomposition
C.	Metal carbonyls are single bonded species
D.	\[d\pi -p\pi \] overlap is observed in metal carbonyls
Answer» E.

Discussion

5212.	In the formation of \[{{K}_{4}}Fe{{(CN)}_{6}},\] the hybridisation involved is
A.	\[s{{p}^{2}}\]
B.	\[{{d}^{2}}s{{p}^{3}}\]
C.	\[{{d}^{3}}s{{p}^{2}}\]
D.	\[{{d}^{4}}p\]
Answer» C. \[{{d}^{3}}s{{p}^{2}}\]

Discussion

5213.	The type of hybridization involved in the metal ion of \[{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}\] complex is
A.	\[{{d}^{3}}s{{p}^{2}}\]
B.	\[s{{p}^{3}}{{d}^{2}}\]
C.	\[s{{p}^{3}}\]
D.	\[ds{{p}^{2}}\]
Answer» C. \[s{{p}^{3}}\]

Discussion

5214.	In the complex \[{{[Sb{{F}_{5}}]}^{2-}},\,s{{p}^{3}}d\] hydridisation is present. Geometry of the complex is [Pb. PMT 2000]
A.	Square pyramidal
B.	Square bipyramidal
C.	Tetrahedral
D.	Square
Answer» B. Square bipyramidal

Discussion

5215.	The geometry of \[Ni{{\left( CO \right)}_{4}}\]and\[Ni{{\left( PP{{h}_{3}} \right)}_{2}}C{{l}_{2}}\]are [BHU 2005]
A.	Both square planer
B.	Tetrahedral and square planar respectively
C.	Both tetrahedral
D.	Square planar and tetrahedral respectively
Answer» D. Square planar and tetrahedral respectively

Discussion

5216.	The value of the ?spin only? magnetic moment for one of the following configurations is 2.84 BM. the correct one [AIEEE 2005]
A.	\[{{d}^{4}}\] (in strong ligand field)
B.	\[{{d}^{4}}\] (in weak ligand field)
C.	\[{{d}^{3}}\](in weak as well as in strong fields)
D.	\[{{d}^{5}}\] (in strong ligand field)
Answer» B. \[{{d}^{4}}\] (in weak ligand field)

Discussion

5217.	Which of the following is a \[\pi -\]acid ligand [KCET 1996; AIIMS 2003]
A.	\[N{{H}_{3}}\]
B.	\[CO\]
C.	\[{{F}^{-}}\]
D.	Ethylene diamine
Answer» C. \[{{F}^{-}}\]

Discussion

5218.	Which of the following is a \[\pi \]- complex
A.	Trimethyl aluminium
B.	Ferrocene
C.	Diethyl zinc
D.	Nickel carbonyl
Answer» C. Diethyl zinc

Discussion

5219.	Cuprammonium ion \[{{\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]}^{2+}}\] is [MP PMT 1997; KCET 2002]
A.	Tetrahedral
B.	Square planar
C.	Triangular bipyramid
D.	Octahedral
Answer» C. Triangular bipyramid

Discussion

5220.	Considering \[{{H}_{2}}O\] as a weak field ligand, the number of unpaired electrons in \[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\] will be (At. No. of Mn = 25) asas a ajkk [CBSE PMT 2004]
A.	Two
B.	Four
C.	Three
D.	Five
Answer» E.

Discussion

5221.	\[C{{N}^{-}}\] is a strong field ligand. This is due to the fact that [CBSE PMT 2004]
A.	It can accept electron from metal species
B.	It forms high spin complexes with metal species
C.	It carries negative charge.
D.	It is a pseudohalide
Answer» E.

Discussion

5222.	A strong ligand gives a complex which is generally called
A.	High spin
B.	High energy
C.	Low spin
D.	Stable
Answer» D. Stable

Discussion

5223.	The ligands which can get attached to the central metal ion through more than one atom are called
A.	Ambident ligands
B.	Polydentate ligands
C.	Chelate ligands
D.	Neutral ligands
Answer» B. Polydentate ligands

Discussion

5224.	The neutral ligand is
A.	Chloro
B.	Hydroxo
C.	Ammine
D.	Oxalato
Answer» D. Oxalato

Discussion

5225.	The strongest ligand in the following is [MP PET 1995]
A.	\[C{{N}^{-}}\]
B.	\[B{{r}^{-}}\]
C.	\[H{{O}^{-}}\]
D.	\[{{F}^{-}}\]
Answer» B. \[B{{r}^{-}}\]

Discussion

5226.	Which one of the following is a strong field ligand
A.	\[C{{N}^{-}}\]
B.	\[NO_{2}^{-}\]
C.	\[en\]
D.	\[N{{H}_{3}}\]
Answer» B. \[NO_{2}^{-}\]

Discussion

5227.	Which of the following shall form an octahedral complex [DCE 2001]
A.	\[{{d}^{4}}\](low spin)
B.	\[{{d}^{8}}\](high spin)
C.	\[{{d}^{6}}\](low spin)
D.	None of these
Answer» D. None of these

Discussion

5228.	The complex ion which has no ?d ? electrons in the central metal atom is [IIT-JEE Screening 2001]
A.	\[{{[Mn{{O}_{4}}]}^{-}}\]
B.	\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]
C.	\[{{[Fe{{(CN)}_{6}}]}^{3-}}\]
D.	\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{3+}}\]
Answer» B. \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]

Discussion

5229.	One mole of the complex compound \[Co{{(N{{H}_{3}})}_{5}}C{{l}_{3}},\] gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with two moles of \[AgN{{O}_{3}}\] solution to yield two moles of \[AgCl\,(s)\]. The structure of the complex is [AIEEE 2003]
A.	\[[Co{{(N{{H}_{3}})}_{5}}Cl]\,C{{l}_{2}}\]
B.	\[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}].\,2N{{H}_{3}}\]
C.	\[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]\,Cl\,.\,N{{H}_{3}}\]
D.	\[[Co{{(N{{H}_{3}})}_{4}}Cl]\,C{{l}_{2}}.\,N{{H}_{3}}\]
Answer» B. \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}].\,2N{{H}_{3}}\]

Discussion

5230.	The bond in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] are: [MP PET 2004]
A.	All ionic
B.	All covalent
C.	Ionic and covalent
D.	Ionic, covalent and co-ordiante covalent
Answer» E.

Discussion

5231.	Hybridization of Fe in \[{{K}_{3}}Fe{{(CN)}_{6}}\] is [DCE 2002]
A.	\[s{{p}^{3}}\]
B.	\[ds{{p}^{3}}\]
C.	\[s{{p}^{3}}{{d}^{2}}\]
D.	\[{{d}^{2}}s{{p}^{3}}\]
Answer» E.

Discussion

5232.	Among \[[Ni{{(CO)}_{4}}],{{[Ni{{(CN)}_{4}}]}^{2-}},{{[NiC{{l}_{4}}]}^{2-}}\] species, the hybridization states at the Ni atom are, respectively [CBSE PMT 2004; MP PMT 1992; BHU 1995; AFMC 1997]
A.	\[s{{p}^{3}},s{{p}^{3}},ds{{p}^{2}}\]
B.	\[ds{{p}^{2}},s{{p}^{3}},s{{p}^{3}}\]
C.	\[s{{p}^{3}},ds{{p}^{2}},ds{{p}^{2}}\]
D.	\[s{{p}^{3}},ds{{p}^{2}},s{{p}^{3}}\] (At. no. of Ni = 28)
Answer» E.

Discussion

5233.	\[{{\left[ Co{{F}_{6}} \right]}^{-3}}\] is formed by ..... hybridization
A.	\[{{d}^{2}}s{{p}^{3}}\]
B.	\[{{d}^{3}}s{{p}^{2}}\]
C.	\[{{d}^{2}}s{{p}^{3}}\]
D.	\[s{{p}^{3}}{{d}^{2}}\]
Answer» D. \[s{{p}^{3}}{{d}^{2}}\]

Discussion

5234.	Chromium hexacarbonyl is an octahedral compound involving
A.	\[s{{p}^{3}}{{d}^{2}}\]
B.	\[ds{{p}^{2}}\]
C.	\[{{d}^{2}}s{{p}^{3}}\]
D.	\[{{d}^{3}}s{{p}^{2}}\] orbitals
Answer» D. \[{{d}^{3}}s{{p}^{2}}\] orbitals

Discussion

5235.	\[{{d}^{2}}s{{p}^{3}}\] hybridisation leads to
A.	Hexagonal shape
B.	Trigonal bipyrimidal
C.	Octahedral shape
D.	Tetrahedral shape
Answer» D. Tetrahedral shape

Discussion

5236.	Back bonding is involved in which of the organometallic compounds
A.	\[{{\left[ {{(C{{H}_{3}})}_{3}}Al \right]}_{2}}\]
B.	\[M{{g}^{2+}}{{\left( {{C}_{5}}H_{5}^{-} \right)}_{2}}\]
C.	\[R-Mg-X\]
D.	\[\left[ {{({{C}_{5}}{{H}_{5}})}_{2}}Fe \right]\]
Answer» D. \[\left[ {{({{C}_{5}}{{H}_{5}})}_{2}}Fe \right]\]

Discussion

5237.	A complex involving \[ds{{p}^{2}}\] hybridization has
A.	A square planar geometry
B.	A tetrahedral geometry
C.	An octahedral geometry
D.	Trigonal planar geometry
Answer» B. A tetrahedral geometry

Discussion

5238.	\[[Pt{{\left( N{{H}_{3}} \right)}_{4}}]C{{l}_{2}}\] is [DCE 2001]
A.	Square planar
B.	Tetrahedral
C.	Pyramidal
D.	Pentagonal
Answer» B. Tetrahedral

Discussion

5239.	The geometry of \[Ni{{\left( CO \right)}_{4}}\] and \[Ni{{\left( PP{{h}_{3}} \right)}_{2}}C{{l}_{2}}\] are [IIT-JEE 1999; DCE 2002]
A.	Both square planar
B.	Tetrahedral and square planar respectively
C.	Both tetrahedral
D.	Square planar and tetrahedral respectively
Answer» E.

Discussion

5240.	The example of \[ds{{p}^{2}}\] hybridisation is [MP PET 1999; AIIMS 2001]
A.	\[Fe(CN)_{6}^{3-}\]
B.	\[Ni\left( CN \right)_{4}^{2-}\]
C.	\[Zn\left( N{{H}_{3}} \right)_{4}^{2+}\]
D.	\[FeF_{6}^{3-}\]
Answer» C. \[Zn\left( N{{H}_{3}} \right)_{4}^{2+}\]

Discussion

5241.	The shape of \[{{\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]}^{2+}}\] is square planar, \[C{{u}^{2+}}\] in this complex is [NCERT 1989; RPET 1999]
A.	\[s{{p}^{3}}\] hybridised
B.	\[ds{{p}^{2}}\]hybridised
C.	\[s{{p}^{3}}d\] hybridised
D.	\[s{{p}^{3}}{{d}^{2}}\] hybridized
Answer» C. \[s{{p}^{3}}d\] hybridised

Discussion

5242.	What type of hybridization is involved in \[{{[Fe{{(CN)}_{6}}]}^{3-}}\] [AMU 1999]
A.	\[{{d}^{2}}s{{p}^{3}}\]
B.	\[ds{{p}^{2}}\]
C.	\[s{{p}^{3}}{{d}^{2}}\]
D.	\[ds{{p}^{3}}\]
Answer» B. \[ds{{p}^{2}}\]

Discussion

5243.	What is the shape of \[Fe{{(CO)}_{5}}\] [CBSE PMT 2000]
A.	Linear
B.	Tetrahedral
C.	Square planar
D.	Trigonal bipyramidal
Answer» E.

Discussion

5244.	The shape of \[{{\left[ Fe{{(CN)}_{6}} \right]}^{4-}}\] ion is
A.	Hexagonal
B.	Pyrimidal
C.	Octahedral
D.	Octagonal
Answer» D. Octagonal

Discussion

5245.	Which of the following complexes has a square planar geometry
A.	\[Ag\left( N{{H}_{3}} \right)_{2}^{+}\]
B.	\[Cu\left( en \right)_{2}^{2+}\]
C.	\[{{\left[ MnC{{l}_{4}} \right]}^{2-}}\]
D.	\[Ni{{\left( CO \right)}_{4}}\]
Answer» C. \[{{\left[ MnC{{l}_{4}} \right]}^{2-}}\]

Discussion

5246.	Which one is an example of octahedral complex [MP PET 2000]
A.	\[FeF_{6}^{3-}\]
B.	\[Zn(N{{H}_{3}})_{4}^{2+}\]
C.	\[Ni(CN)_{4}^{2-}\]
D.	\[Cu(N{{H}_{3}})_{4}^{2+}\]
Answer» B. \[Zn(N{{H}_{3}})_{4}^{2+}\]

Discussion

5247.	The correct structural formula of zeise's salt is
A.	\[{{K}^{+}}{{\left[ PtC{{l}_{3}}-{{\eta }^{2}}-({{C}_{2}}{{H}_{4}}) \right]}^{-}}\]
B.	\[{{K}_{2}}\left[ PtC{{l}_{3}}-{{\eta }^{2}}-{{C}_{2}}{{H}_{4}} \right]\]
C.	\[{{K}^{+}}\left[ PtC{{l}_{2}}-{{\eta }^{2}}-({{C}_{2}}{{H}_{4}}) \right]C{{l}^{-}}\]
D.	\[{{K}^{+}}{{\left[ PtC{{l}_{3}}({{C}_{2}}{{H}_{4}} \right]}^{-}}\]
Answer» B. \[{{K}_{2}}\left[ PtC{{l}_{3}}-{{\eta }^{2}}-{{C}_{2}}{{H}_{4}} \right]\]

Discussion

5248.	The values of heat of formation of \[S{{O}_{2}}\] and \[S{{O}_{3}}\] are \[-298.2\,kJ\] and \[-98.2\,kJ\]. The heat of reaction of the following reaction will be \[S{{O}_{2}}+\frac{1}{2}{{O}_{2}}\to S{{O}_{3}}\] [BHU 1997; CBSE PMT 2000]
A.	\[-200\,kJ\]
B.	\[-356.2\,kJ\]
C.	\[+200\,kJ\]
D.	\[-396.2\,kJ\]
Answer» D. \[-396.2\,kJ\]

Discussion

5249.	\[C+{{O}_{2}}\to C{{O}_{2}};\,\Delta H=X\] \[CO+\frac{1}{2}{{O}_{2}}\to C{{O}_{2}};\,\Delta H=Y\] Then the heat of formation of \[CO\] is [BHU 1997; DPMT 2002]
A.	\[X-Y\]
B.	\[Y-2X\]
C.	\[X+Y\]
D.	\[2X-Y\]
Answer» B. \[Y-2X\]

Discussion

5250.	In the complete combustion of butanol \[{{C}_{4}}{{H}_{9}}OH(l)\], if \[\Delta H\] is enthalpy of combustion and \[\Delta E\] is the heat of combustion at constant volume, then [EAMCET 1997]
A.	\[\Delta H<\Delta E\]
B.	\[\Delta H=\Delta E\]
C.	\[\Delta H>\Delta E\]
D.	\[\Delta H,\,\Delta E\] relation cannot be predicted
Answer» D. \[\Delta H,\,\Delta E\] relation cannot be predicted

Discussion

Explore topic-wise MCQs in Joint Entrance Exam - Main (JEE Main).

As the s-character of hybridisation orbital increases, the bond angle [BHU 2002; RPMT 2002]

Which of the following is not tetrahedral [MP PMT 2001]

Which of the following is not linear [DCE 2001]

Which of the following pairs has same structure [BHU 2001]

The bond angle is minimum in [Pb. PMT 2001; MP PET 2003; UPSEAT 2004]

The correct order of hybridization of the central atom in the following species \[N{{H}_{3}}\] \[{{[PtC{{l}_{4}}]}^{2-}},\,PC{{l}_{5}}\] and \[BC{{l}_{3}}\] is [IIT Screening 2001; BHU 2005]

In the complex \[{{[Sb{{F}_{5}}]}^{\,2-}},\]\[s{{p}^{3}}d\] hybridization is present. Geometry of the complex is [Pb. PMT 2000]

Which of the following formula does not correctly represent the bonding capacity of the atom involved [CBSE PMT 1990]

Which molecule is not linear [CPMT 1994]

An octahedral complex is formed, when hybrid orbitals of the following type are involved [DCE 2003]

Which of the following is not true for metal carbonyls [MP PET 1993]

In the formation of \[{{K}_{4}}Fe{{(CN)}_{6}},\] the hybridisation involved is

The type of hybridization involved in the metal ion of \[{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}}\] complex is

In the complex \[{{[Sb{{F}_{5}}]}^{2-}},\,s{{p}^{3}}d\] hydridisation is present. Geometry of the complex is [Pb. PMT 2000]

The geometry of \[Ni{{\left( CO \right)}_{4}}\]and\[Ni{{\left( PP{{h}_{3}} \right)}_{2}}C{{l}_{2}}\]are [BHU 2005]

The value of the ?spin only? magnetic moment for one of the following configurations is 2.84 BM. the correct one [AIEEE 2005]

Which of the following is a \[\pi -\]acid ligand [KCET 1996; AIIMS 2003]

Which of the following is a \[\pi \]- complex

Cuprammonium ion \[{{\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]}^{2+}}\] is [MP PMT 1997; KCET 2002]

Considering \[{{H}_{2}}O\] as a weak field ligand, the number of unpaired electrons in \[{{[Mn{{({{H}_{2}}O)}_{6}}]}^{2+}}\] will be (At. No. of Mn = 25) asas a ajkk [CBSE PMT 2004]

\[C{{N}^{-}}\] is a strong field ligand. This is due to the fact that [CBSE PMT 2004]

A strong ligand gives a complex which is generally called

The ligands which can get attached to the central metal ion through more than one atom are called

The neutral ligand is

The strongest ligand in the following is [MP PET 1995]

Which one of the following is a strong field ligand

Which of the following shall form an octahedral complex [DCE 2001]

The complex ion which has no ?d ? electrons in the central metal atom is [IIT-JEE Screening 2001]

One mole of the complex compound \[Co{{(N{{H}_{3}})}_{5}}C{{l}_{3}},\] gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with two moles of \[AgN{{O}_{3}}\] solution to yield two moles of \[AgCl\,(s)\]. The structure of the complex is [AIEEE 2003]

The bond in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] are: [MP PET 2004]

Hybridization of Fe in \[{{K}_{3}}Fe{{(CN)}_{6}}\] is [DCE 2002]

Among \[[Ni{{(CO)}_{4}}],{{[Ni{{(CN)}_{4}}]}^{2-}},{{[NiC{{l}_{4}}]}^{2-}}\] species, the hybridization states at the Ni atom are, respectively [CBSE PMT 2004; MP PMT 1992; BHU 1995; AFMC 1997]

\[{{\left[ Co{{F}_{6}} \right]}^{-3}}\] is formed by ..... hybridization

Chromium hexacarbonyl is an octahedral compound involving

\[{{d}^{2}}s{{p}^{3}}\] hybridisation leads to

Back bonding is involved in which of the organometallic compounds

A complex involving \[ds{{p}^{2}}\] hybridization has

\[[Pt{{\left( N{{H}_{3}} \right)}_{4}}]C{{l}_{2}}\] is [DCE 2001]

The geometry of \[Ni{{\left( CO \right)}_{4}}\] and \[Ni{{\left( PP{{h}_{3}} \right)}_{2}}C{{l}_{2}}\] are [IIT-JEE 1999; DCE 2002]

The example of \[ds{{p}^{2}}\] hybridisation is [MP PET 1999; AIIMS 2001]

The shape of \[{{\left[ Cu{{\left( N{{H}_{3}} \right)}_{4}} \right]}^{2+}}\] is square planar, \[C{{u}^{2+}}\] in this complex is [NCERT 1989; RPET 1999]

What type of hybridization is involved in \[{{[Fe{{(CN)}_{6}}]}^{3-}}\] [AMU 1999]

What is the shape of \[Fe{{(CO)}_{5}}\] [CBSE PMT 2000]

The shape of \[{{\left[ Fe{{(CN)}_{6}} \right]}^{4-}}\] ion is

Which of the following complexes has a square planar geometry

Which one is an example of octahedral complex [MP PET 2000]

The correct structural formula of zeise's salt is

The values of heat of formation of \[S{{O}_{2}}\] and \[S{{O}_{3}}\] are \[-298.2\,kJ\] and \[-98.2\,kJ\]. The heat of reaction of the following reaction will be \[S{{O}_{2}}+\frac{1}{2}{{O}_{2}}\to S{{O}_{3}}\] [BHU 1997; CBSE PMT 2000]

\[C+{{O}_{2}}\to C{{O}_{2}};\,\Delta H=X\] \[CO+\frac{1}{2}{{O}_{2}}\to C{{O}_{2}};\,\Delta H=Y\] Then the heat of formation of \[CO\] is [BHU 1997; DPMT 2002]

In the complete combustion of butanol \[{{C}_{4}}{{H}_{9}}OH(l)\], if \[\Delta H\] is enthalpy of combustion and \[\Delta E\] is the heat of combustion at constant volume, then [EAMCET 1997]