Direction: In each of the following questions, a Statement of assertion is given followed by a corresponding Statement of reason.
Assertion (A) Hydrogen atom consists of only one electron but its emission spectrum has many lines.
Reason (R) Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
1. Both assertion and reason are true and reason is the correct explanation of assertion
2. Both assertion and reason are true but reason is not the correct explanation of assertion
3. Assertion is true but reason is false
4. Both assertion and reason are false
Assertion (A) Hydrogen atom consists of only one electron but its emission spectrum has many lines.
Reason (R) Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
2. Both assertion and reason are true but reason is not the correct explanation of assertion
3. Assertion is true but reason is false
4. Both assertion and reason are false
constant. The heat given to n moles of He in order to raise the temperature from T to 2T is
In the above reaction a unknown component X on hydrolysis gives Y and methane gas identify X and Y.
(smallest value first) 
2. CH3CH2CH2CH2OH
3. CH3CHOHCH2CH3
4. (CH3)3C-OH
and 
is
The mass of potassium dichromate crystals required to oxidize 750 of 0.6 M Mohr’s salt solution is (Given, molar mass, potassium dichromate = 294, Mohr’s salt = 392)
1. 0.39 g
2. 0.37 g
3. 22.05 g
4. 2.2 g
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