1.

The latent heat of vapourisation of water is \[9700\,Cal/mole\] and if the b.p. is \[{{100}^{o}}C\], ebullioscopic constant of water is [CBSE PMT 1989]

A.                 \[{{0.513}^{o}}C\]           
B.                 \[{{1.026}^{o}}C\]
C.                 \[{{10.26}^{o}}C\]           
D.                 \[{{1.832}^{o}}C\]
Answer» B.                 \[{{1.026}^{o}}C\]


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