Some Commercially Important Alcohols
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323360 Which of the following is most suitable method for removing the traces of water from ethanol?

1 Heating with \({\text{ Na }}\) metal
2 Passing dry \(\mathrm{HCl}\) through it
3 Distilling it with \(\mathrm{CaO}\)
4 Reacting with \(\mathrm{Mg}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323361 Absolute alcohol is

1 \(95 \%\) ethanol \(+5 \%\) methanol
2 \({\text{95\% }}\,\,{\text{alcohol + 5% }}\,\,{{\text{H}}_{\text{2}}}{\text{O}}\)
3 \(100 \%\) pure ethanol
4 Ethanol + water + Phenol
NCERT Exemplar
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323362 Denaturated alcohol is commonly known as:

1 Methanol
2 Methylated spirit
3 Ethylated spirit
4 Cordite
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323363 Assertion :
In the fermentation process of molasses, along with yeast \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), \(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) is added.
Reason :
\(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) and \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), act as food and helps the growth of yeast.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323364 Which of the following enzymes are used in above reactions respectively?

1 Amylase and Zymase
2 Invertase and Zymase
3 Zymase and Invertase
4 Amylase and Invertase
JEE - 2021
NEET DIGITAL LIBRARY
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323360 Which of the following is most suitable method for removing the traces of water from ethanol?

1 Heating with \({\text{ Na }}\) metal
2 Passing dry \(\mathrm{HCl}\) through it
3 Distilling it with \(\mathrm{CaO}\)
4 Reacting with \(\mathrm{Mg}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323361 Absolute alcohol is

1 \(95 \%\) ethanol \(+5 \%\) methanol
2 \({\text{95\% }}\,\,{\text{alcohol + 5% }}\,\,{{\text{H}}_{\text{2}}}{\text{O}}\)
3 \(100 \%\) pure ethanol
4 Ethanol + water + Phenol
NCERT Exemplar
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323362 Denaturated alcohol is commonly known as:

1 Methanol
2 Methylated spirit
3 Ethylated spirit
4 Cordite
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323363 Assertion :
In the fermentation process of molasses, along with yeast \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), \(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) is added.
Reason :
\(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) and \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), act as food and helps the growth of yeast.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323364 Which of the following enzymes are used in above reactions respectively?

1 Amylase and Zymase
2 Invertase and Zymase
3 Zymase and Invertase
4 Amylase and Invertase
JEE - 2021
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323360 Which of the following is most suitable method for removing the traces of water from ethanol?

1 Heating with \({\text{ Na }}\) metal
2 Passing dry \(\mathrm{HCl}\) through it
3 Distilling it with \(\mathrm{CaO}\)
4 Reacting with \(\mathrm{Mg}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323361 Absolute alcohol is

1 \(95 \%\) ethanol \(+5 \%\) methanol
2 \({\text{95\% }}\,\,{\text{alcohol + 5% }}\,\,{{\text{H}}_{\text{2}}}{\text{O}}\)
3 \(100 \%\) pure ethanol
4 Ethanol + water + Phenol
NCERT Exemplar
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323362 Denaturated alcohol is commonly known as:

1 Methanol
2 Methylated spirit
3 Ethylated spirit
4 Cordite
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323363 Assertion :
In the fermentation process of molasses, along with yeast \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), \(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) is added.
Reason :
\(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) and \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), act as food and helps the growth of yeast.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323364 Which of the following enzymes are used in above reactions respectively?

1 Amylase and Zymase
2 Invertase and Zymase
3 Zymase and Invertase
4 Amylase and Invertase
JEE - 2021
For More Updates join with Us
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323360 Which of the following is most suitable method for removing the traces of water from ethanol?

1 Heating with \({\text{ Na }}\) metal
2 Passing dry \(\mathrm{HCl}\) through it
3 Distilling it with \(\mathrm{CaO}\)
4 Reacting with \(\mathrm{Mg}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323361 Absolute alcohol is

1 \(95 \%\) ethanol \(+5 \%\) methanol
2 \({\text{95\% }}\,\,{\text{alcohol + 5% }}\,\,{{\text{H}}_{\text{2}}}{\text{O}}\)
3 \(100 \%\) pure ethanol
4 Ethanol + water + Phenol
NCERT Exemplar
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323362 Denaturated alcohol is commonly known as:

1 Methanol
2 Methylated spirit
3 Ethylated spirit
4 Cordite
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323363 Assertion :
In the fermentation process of molasses, along with yeast \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), \(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) is added.
Reason :
\(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) and \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), act as food and helps the growth of yeast.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323364 Which of the following enzymes are used in above reactions respectively?

1 Amylase and Zymase
2 Invertase and Zymase
3 Zymase and Invertase
4 Amylase and Invertase
JEE - 2021
NEET DIGITAL LIBRARY
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323360 Which of the following is most suitable method for removing the traces of water from ethanol?

1 Heating with \({\text{ Na }}\) metal
2 Passing dry \(\mathrm{HCl}\) through it
3 Distilling it with \(\mathrm{CaO}\)
4 Reacting with \(\mathrm{Mg}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323361 Absolute alcohol is

1 \(95 \%\) ethanol \(+5 \%\) methanol
2 \({\text{95\% }}\,\,{\text{alcohol + 5% }}\,\,{{\text{H}}_{\text{2}}}{\text{O}}\)
3 \(100 \%\) pure ethanol
4 Ethanol + water + Phenol
NCERT Exemplar
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323362 Denaturated alcohol is commonly known as:

1 Methanol
2 Methylated spirit
3 Ethylated spirit
4 Cordite
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323363 Assertion :
In the fermentation process of molasses, along with yeast \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), \(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) is added.
Reason :
\(\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4}\) and \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\), act as food and helps the growth of yeast.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323364 Which of the following enzymes are used in above reactions respectively?

1 Amylase and Zymase
2 Invertase and Zymase
3 Zymase and Invertase
4 Amylase and Invertase
JEE - 2021