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

Which from following instruments is used to determine the crystal structure?

A
Scanning electron microscope
B
FTIR spectrophotometer
C
X-ray diffractometer
D
Transmission electron microscope
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Solubility of $$\mathrm{AgCl}$$ is $$7.2 \times 10^{-7} \mathrm{~mol} ~\mathrm{dm}^{-3}$$. What is it's solubility product?

A
$$3.6 \times 10^{-13}$$
B
$$7.2 \times 10^{-14}$$
C
$$2.59 \times 10^{-14}$$
D
$$5.18 \times 10^{-13}$$
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify compound $$\mathrm{A}$$ used in following reaction.

Benzoic acid $$\underset{\Delta}{\stackrel{A}{\longrightarrow}}$$ Benzoyl chloride + Phosphorous oxychloride + Hydrogen chloride

A
$$\mathrm{SOCl}_2$$
B
$$\mathrm{PCl}_3$$
C
$$\mathrm{HCl}$$
D
$$\mathrm{PCl}_5$$
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a first order reaction concentration of reactant decreases from 20 m mol to 10 m mol in 1.151 min. What is rate constant?

A
1.15 min$$^{-1}$$
B
3.0 min$$^{-1}$$
C
5.50 min$$^{-1}$$
D
0.60 min$$^{-1}$$
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