1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Statement-I: Nitrogen in pyridine cannot be estimated by Kjeldahl's method.
Statement-II: Nitrogen in pyridine changes to ammonium sulphate when heated with conc. $\text{H}_2\text{SO}_4$ in Kjeldahl's method.
Read the above given statements and choose the correct answer from the given options.
A
Statement I is true but Statement II is false
B
Both Statement I and Statement II are false
C
Both Statement I and Statement II are true
D
Statement I is false but Statement II is true
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The intermediates in heteropolar reactions are
A
Free radicals only
B
Cations only
C
Anions only
D
Both anions and cations
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The relative lowering of vapour pressure produced by dissolving $18$ g of urea (Molar mass $= 60\text{ g mol}^{-1}$) in $100$ g of water is
A
$0.025$
B
$0.512$
C
$0.051$
D
$0.250$
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
When $0.0106$ mole of acetic acid was dissolved in $1$ kg of water, the freezing point depression for this strength of acid was $0.0205$ K. If the calculated freezing point depression is $0.0197$ K, Van't Hoff factor (i) and degree of dissociation of acetic acid respectively are
A
$0.041$ and $1.041$
B
$1.041$ and $0.1041$
C
$0.041$ and $0.041$
D
$1.041$ and $0.041$