1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the reaction,
CH3CH2CH2Br + NaCN $$ \to $$ CH3CH2CH2CN + NaBr

This reaction will be the fastest in
A
ethanol
B
methanol
C
N, N' -dimethylformamide (DMF)
D
Water
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Hot concentrated sulphate acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?
A
Cu + 2H2SO4 $$ \to $$ CuSO4 + SO2 + 2H2O
B
S + 2H2SO4 $$ \to $$ 3SO2 + 2H2O
C
C + 2H2SO4 $$ \to $$ CO2 + 2SO2 + 2H2O
D
CaF2 + H2SO4 $$ \to $$ CaSO4 + 2HF
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is
A
0.4
B
0.5
C
0.8
D
1.0
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is B. It is then bent into a circular coil of n turns. The magnetic field at the centre of this coil of n turns will be
A
nB
B
n2B
C
2nB
D
2n2B