1
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify '$$\mathrm{A}$$' in the following reaction.

$$A \stackrel{\text { Na/dry ether }}{\longrightarrow}$$ 3,4-diethyl-3,4-dimethylhexane $$+2 \mathrm{NaCl}$$

A
3-Chloro-3-methylpentane
B
3-Chloro-2-methylpentane
C
2-Chloro-3-methylpentane
D
2-Chioro-2-methylpentane
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

For the reaction $$2 \mathrm{NO}+\mathrm{Cl}_2 \rightarrow 2 \mathrm{NOCl}$$

What is the relation between $$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}$$ and $$\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$ ?

A
$$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=2 \frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
B
$$\frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
C
$$\frac{1}{4} \frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
D
$$4 \frac{\mathrm{d}[\mathrm{NO}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{NOCl}]}{\mathrm{dt}}$$
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What type of hybridization is exhibited by [CoF$$_6$$]$$^{3-}$$ ?

A
sp$$^3$$
B
sp$$^3$$d$$^2$$
C
dsp$$^2$$
D
d$$^2$$sp$$^3$$
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is NOT the use of SO$$_2$$ gas?

A
As a preservative
B
In manufacture of H$$_2$$SO$$_4$$
C
With conc. H$$_2$$SO$$_4$$ it forms oleum
D
As an antichlor
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