CS/B.TECH(NEW)/SEM-2/CH-201/2013
2013
CHEMISTRY - I
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words as far as practicable.
GROUP -A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following :1x10=10
i) For an endothermic reaction
a) ∆H is positive
b) ∆H is negative
c) ∆H = 0
d) ∆U is negative.
ii) Which one of the following has the least bond angle ?
a) NH3
b) BeF2
c) H2O
d) CH4
iii) A metal deficient ionic compound acts as
a) n-type semiconductor
b) p-type semiconductor
c) intrinsic semiconductor
d) none of these.