1
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The correct order of increasing basic nature for the bases $\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2$ and $\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$ in aqueous solutions
A
$\mathrm{CH}_3 \mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$
B
$\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$
C
$\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3$
D
$\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2$
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The electronegativities of $\mathrm{C}, \mathrm{N}, \mathrm{Si}$ and P are in the order of
A
$\mathrm{P}<\mathrm{Si}<\mathrm{C}<\mathrm{N}$
B
Si $<$ P $<$ C $<$ N
C
$\mathrm{P}<\mathrm{Si}<\mathrm{N}<\mathrm{C}$
D
Si $<$ P $<$ N $<$ C
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
For a reaction $\frac{1}{2} A \rightarrow 2 B$ rate of disappearance of $A$ is related to rate of appearance of $B$ by the expression
A
$\frac{-d[A]}{d t}=\frac{1}{2} \frac{d[B]}{d t}$
B
$\frac{-d[A]}{d t}=4 \frac{d[B]}{d t}$
C
$\frac{-d[A]}{d t}=\frac{1}{4} \frac{d[B]}{d t}$
D
$\frac{-d[A]}{d t}=\frac{d[B]}{d t}$
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Which of the following statement is incorrect?
A
The rate of law for any reaction cannot be determined experimentally.
B
Complex reactions have fractional order.
C
Biomolecular reactions involved simultaneous collision between two species.
D
Molecularity is only applicable for elementary reaction
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12