MHT CET 2021 21th September Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

Identify the reactant, reagent and condition of Kolbe's reaction from following.

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{ONa}, \mathrm{CO}_2$$ and $$398 \mathrm{~K}, 6 \mathrm{~atm}$$

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{ONa}, \mathrm{Na}_2 \mathrm{CO}_3$$ and $$398 \mathrm{~K}$$

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}, \mathrm{CHCl}_3$$ and aq. $$\mathrm{NaOH}$$

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}$$, dil. $$\mathrm{HNO}_3$$ and $$413 \mathrm{~K}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

The wavelength of a spectral line of caesium is $$460 \mathrm{~nm}$$. What is the frequency of spectral line?

$$4.5 \times 10^8 \mathrm{~Hz}$$

$$6.5 \times 10^{14} \mathrm{~Hz}$$

$$3 \times 10^9 \mathrm{~Hz}$$

$$5.6 \times 10^{14} \mathrm{~Hz}$$

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

Select the catalyst used in hydrogenation of ethene.

Fe - Cr

MnO$$_2$$

Ni (finely divided)

Co - Th alloy

MHT CET 2021 21th September Morning Shift

MCQ (Single Correct Answer)

-0

What is the number of $$-$$CH$$_2$$ - groups present in dodecane?

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