RBTS PAPER 3(CHEMISTRY)
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3 RBTS PAPER

162644 For the process, \(\mathrm{CO}_2(\mathrm{~s}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\) :

1 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are \(+\mathrm{ve}\)
2 \(\Delta \mathrm{H}\) is negative and \(\Delta \mathrm{S}\) is \(+\mathrm{ve}\)
3 \(\Delta \mathrm{H}\) is + ve and \(\Delta \mathrm{S}\) is -ve
4 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are -ve
NCERT-XI-160
3 RBTS PAPER

162645 Which of the following reaction is never expected to be spontaneous :-

1 \(2 \mathrm{O}_3(\mathrm{~g}) \rightarrow 3 \mathrm{O}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
2 \(\mathrm{Mg}(\mathrm{s})+\mathrm{H}_2(\mathrm{~g}) \rightarrow \mathrm{MgH}_2 \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
3 \(\mathrm{Br}_2(\mathrm{I}) \rightarrow \mathrm{Br}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
4 \(2 \mathrm{Ag}(\mathrm{s})+3 \mathrm{~N}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AgN}_3 \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
NCERT-XI-162
3 RBTS PAPER

162646 Heat of neutralisation will be minimum for which of following reaction :

1 \(\mathrm{NaOH}+\mathrm{H}_2 \mathrm{SO}_4\)
2 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{NaOH}+\mathrm{HCl}\)
4 \(\mathrm{NaOH}+\mathrm{CH}_3 \mathrm{COOH}\)
Practical Book
3 RBTS PAPER

162647 \(\Delta \mathrm{H}\) for transition of carbon from diamond form to graphite form is \(\mathbf{- 4 5 3 . 5} \mathrm{Cal}\). This suggests that

1 Graphite is chemically different from diamond
2 Graphite is as stable as diamond
3 Graphite is more stable than diamond
4 Diamond is thermodynamically more stable than graphite
NCERT-XI-147
3 RBTS PAPER

162648 Which plot represents for an exothermic reaction:

1
2
3
4
Progress in reaction
NCERT-XI-146
NEET DIGITAL LIBRARY
3 RBTS PAPER

162644 For the process, \(\mathrm{CO}_2(\mathrm{~s}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\) :

1 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are \(+\mathrm{ve}\)
2 \(\Delta \mathrm{H}\) is negative and \(\Delta \mathrm{S}\) is \(+\mathrm{ve}\)
3 \(\Delta \mathrm{H}\) is + ve and \(\Delta \mathrm{S}\) is -ve
4 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are -ve
NCERT-XI-160
3 RBTS PAPER

162645 Which of the following reaction is never expected to be spontaneous :-

1 \(2 \mathrm{O}_3(\mathrm{~g}) \rightarrow 3 \mathrm{O}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
2 \(\mathrm{Mg}(\mathrm{s})+\mathrm{H}_2(\mathrm{~g}) \rightarrow \mathrm{MgH}_2 \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
3 \(\mathrm{Br}_2(\mathrm{I}) \rightarrow \mathrm{Br}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
4 \(2 \mathrm{Ag}(\mathrm{s})+3 \mathrm{~N}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AgN}_3 \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
NCERT-XI-162
3 RBTS PAPER

162646 Heat of neutralisation will be minimum for which of following reaction :

1 \(\mathrm{NaOH}+\mathrm{H}_2 \mathrm{SO}_4\)
2 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{NaOH}+\mathrm{HCl}\)
4 \(\mathrm{NaOH}+\mathrm{CH}_3 \mathrm{COOH}\)
Practical Book
3 RBTS PAPER

162647 \(\Delta \mathrm{H}\) for transition of carbon from diamond form to graphite form is \(\mathbf{- 4 5 3 . 5} \mathrm{Cal}\). This suggests that

1 Graphite is chemically different from diamond
2 Graphite is as stable as diamond
3 Graphite is more stable than diamond
4 Diamond is thermodynamically more stable than graphite
NCERT-XI-147
3 RBTS PAPER

162648 Which plot represents for an exothermic reaction:

1
2
3
4
Progress in reaction
NCERT-XI-146
Join With Us for More Updates
3 RBTS PAPER

162644 For the process, \(\mathrm{CO}_2(\mathrm{~s}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\) :

1 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are \(+\mathrm{ve}\)
2 \(\Delta \mathrm{H}\) is negative and \(\Delta \mathrm{S}\) is \(+\mathrm{ve}\)
3 \(\Delta \mathrm{H}\) is + ve and \(\Delta \mathrm{S}\) is -ve
4 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are -ve
NCERT-XI-160
3 RBTS PAPER

162645 Which of the following reaction is never expected to be spontaneous :-

1 \(2 \mathrm{O}_3(\mathrm{~g}) \rightarrow 3 \mathrm{O}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
2 \(\mathrm{Mg}(\mathrm{s})+\mathrm{H}_2(\mathrm{~g}) \rightarrow \mathrm{MgH}_2 \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
3 \(\mathrm{Br}_2(\mathrm{I}) \rightarrow \mathrm{Br}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
4 \(2 \mathrm{Ag}(\mathrm{s})+3 \mathrm{~N}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AgN}_3 \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
NCERT-XI-162
3 RBTS PAPER

162646 Heat of neutralisation will be minimum for which of following reaction :

1 \(\mathrm{NaOH}+\mathrm{H}_2 \mathrm{SO}_4\)
2 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{NaOH}+\mathrm{HCl}\)
4 \(\mathrm{NaOH}+\mathrm{CH}_3 \mathrm{COOH}\)
Practical Book
3 RBTS PAPER

162647 \(\Delta \mathrm{H}\) for transition of carbon from diamond form to graphite form is \(\mathbf{- 4 5 3 . 5} \mathrm{Cal}\). This suggests that

1 Graphite is chemically different from diamond
2 Graphite is as stable as diamond
3 Graphite is more stable than diamond
4 Diamond is thermodynamically more stable than graphite
NCERT-XI-147
3 RBTS PAPER

162648 Which plot represents for an exothermic reaction:

1
2
3
4
Progress in reaction
NCERT-XI-146
For More Updates join with Us
3 RBTS PAPER

162644 For the process, \(\mathrm{CO}_2(\mathrm{~s}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\) :

1 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are \(+\mathrm{ve}\)
2 \(\Delta \mathrm{H}\) is negative and \(\Delta \mathrm{S}\) is \(+\mathrm{ve}\)
3 \(\Delta \mathrm{H}\) is + ve and \(\Delta \mathrm{S}\) is -ve
4 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are -ve
NCERT-XI-160
3 RBTS PAPER

162645 Which of the following reaction is never expected to be spontaneous :-

1 \(2 \mathrm{O}_3(\mathrm{~g}) \rightarrow 3 \mathrm{O}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
2 \(\mathrm{Mg}(\mathrm{s})+\mathrm{H}_2(\mathrm{~g}) \rightarrow \mathrm{MgH}_2 \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
3 \(\mathrm{Br}_2(\mathrm{I}) \rightarrow \mathrm{Br}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
4 \(2 \mathrm{Ag}(\mathrm{s})+3 \mathrm{~N}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AgN}_3 \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
NCERT-XI-162
3 RBTS PAPER

162646 Heat of neutralisation will be minimum for which of following reaction :

1 \(\mathrm{NaOH}+\mathrm{H}_2 \mathrm{SO}_4\)
2 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{NaOH}+\mathrm{HCl}\)
4 \(\mathrm{NaOH}+\mathrm{CH}_3 \mathrm{COOH}\)
Practical Book
3 RBTS PAPER

162647 \(\Delta \mathrm{H}\) for transition of carbon from diamond form to graphite form is \(\mathbf{- 4 5 3 . 5} \mathrm{Cal}\). This suggests that

1 Graphite is chemically different from diamond
2 Graphite is as stable as diamond
3 Graphite is more stable than diamond
4 Diamond is thermodynamically more stable than graphite
NCERT-XI-147
3 RBTS PAPER

162648 Which plot represents for an exothermic reaction:

1
2
3
4
Progress in reaction
NCERT-XI-146
NEET DIGITAL LIBRARY
3 RBTS PAPER

162644 For the process, \(\mathrm{CO}_2(\mathrm{~s}) \rightarrow \mathrm{CO}_2(\mathrm{~g})\) :

1 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are \(+\mathrm{ve}\)
2 \(\Delta \mathrm{H}\) is negative and \(\Delta \mathrm{S}\) is \(+\mathrm{ve}\)
3 \(\Delta \mathrm{H}\) is + ve and \(\Delta \mathrm{S}\) is -ve
4 Both \(\Delta \mathrm{H}\) and \(\Delta \mathrm{S}\) are -ve
NCERT-XI-160
3 RBTS PAPER

162645 Which of the following reaction is never expected to be spontaneous :-

1 \(2 \mathrm{O}_3(\mathrm{~g}) \rightarrow 3 \mathrm{O}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
2 \(\mathrm{Mg}(\mathrm{s})+\mathrm{H}_2(\mathrm{~g}) \rightarrow \mathrm{MgH}_2 \quad \Delta \mathrm{H}=-\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
3 \(\mathrm{Br}_2(\mathrm{I}) \rightarrow \mathrm{Br}_2(\mathrm{~g}) \quad \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=+\mathrm{ve}\)
4 \(2 \mathrm{Ag}(\mathrm{s})+3 \mathrm{~N}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AgN}_3 \Delta \mathrm{H}=+\mathrm{ve}, \Delta \mathrm{S}=-\mathrm{ve}\)
NCERT-XI-162
3 RBTS PAPER

162646 Heat of neutralisation will be minimum for which of following reaction :

1 \(\mathrm{NaOH}+\mathrm{H}_2 \mathrm{SO}_4\)
2 \(\mathrm{NH}_4 \mathrm{OH}+\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{NaOH}+\mathrm{HCl}\)
4 \(\mathrm{NaOH}+\mathrm{CH}_3 \mathrm{COOH}\)
Practical Book
3 RBTS PAPER

162647 \(\Delta \mathrm{H}\) for transition of carbon from diamond form to graphite form is \(\mathbf{- 4 5 3 . 5} \mathrm{Cal}\). This suggests that

1 Graphite is chemically different from diamond
2 Graphite is as stable as diamond
3 Graphite is more stable than diamond
4 Diamond is thermodynamically more stable than graphite
NCERT-XI-147
3 RBTS PAPER

162648 Which plot represents for an exothermic reaction:

1
2
3
4
Progress in reaction
NCERT-XI-146