Explore topic-wise MCQs in Chemistry.

This section includes 155 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

151.

B.P. of branched chain alkanes as compared to straight chain alkanes are [MP PMT 1987; AIIMS 1999]

A. Lower
B. Equal
C. Higher
D. Independent of the chain
Answer» B. Equal
152.

Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound [CPMT 1974, 81, 99, 2000;RPMT 2002; CBSE PMT 1996; KCET (Med.) 2000 MP PET 1985, 87, 97, 2001; MP PMT 1994, 96; AIIMS 2000]

A. Lead tetrachloride
B. Lead acetate
C. Zinc ethyl
D. Tetraethyl lead (TEL)
Answer» E.
153.

The most volatile compound is [DPMT 2000]

A. 2, 2-dimethyl propane
B. 2-methyl butane
C. Isobutane
D. n-pentane
Answer» B. 2-methyl butane
154.

A mixture of methane, ethylene and acetylene gases is passed through a Wolf's bottle containing ammoniacal cuprous chloride. The gas coming out is [NCERT 1976]

A. Methane
B. Acetylene
C. A mixture of methane and ethylene
D. The original mixture
Answer» D. The original mixture
155.

How many types of carbon atoms are present in 2, 2, 3-trimethylpentane

A. One
B. Two
C. Three
D. Four
Answer» E.