FST 2
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TEST SERIES (CHEMISTRY FST)

263996 Choose the weakest acid among the following:

1 \(\mathrm{F}_3 \mathrm{CCOOH}\)
2 \(\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\)
4 \(\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}\)
**NCERT-XI-II-251**
TEST SERIES (CHEMISTRY FST)

263997 Consider the following carbocations: I. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_2\) II. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{C}^{+} \mathrm{H}_2\) III. \(\left.\mathrm{C}_6 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_4 \mathrm{C}_6 \mathrm{H}_5\right)\) IV. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}^{+}\left(\mathrm{C}_6 \mathrm{H}_5\right)_2\) The correct sequence of the stability of these is :

1 II \(<\) I \(<\) III \(<\) IV
2 II \(<\) III \(<\) I \(<\) IV
3 II \(<\) I \(<\) II \(<\) IV
4 IV \(<\) III \(<\) I \(<\) II
**NCERT-XI-II-278**
TEST SERIES (CHEMISTRY FST)

263998 Deficiency of vitamin D causes

1 Rickets
2 Night blindness
3 Scurvey
4 Beriberi
**NCERT-XII-II-296**
TEST SERIES (CHEMISTRY FST)

263999 The rate of reaction doubles when the concentration of the reactant is increased four times. Order of the reaction is

1 2
2 1
3 \(1 / 2\)
4 -1
**NCERT-XII-I-67**
NEET DIGITAL LIBRARY
TEST SERIES (CHEMISTRY FST)

263996 Choose the weakest acid among the following:

1 \(\mathrm{F}_3 \mathrm{CCOOH}\)
2 \(\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\)
4 \(\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}\)
**NCERT-XI-II-251**
TEST SERIES (CHEMISTRY FST)

263997 Consider the following carbocations: I. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_2\) II. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{C}^{+} \mathrm{H}_2\) III. \(\left.\mathrm{C}_6 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_4 \mathrm{C}_6 \mathrm{H}_5\right)\) IV. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}^{+}\left(\mathrm{C}_6 \mathrm{H}_5\right)_2\) The correct sequence of the stability of these is :

1 II \(<\) I \(<\) III \(<\) IV
2 II \(<\) III \(<\) I \(<\) IV
3 II \(<\) I \(<\) II \(<\) IV
4 IV \(<\) III \(<\) I \(<\) II
**NCERT-XI-II-278**
TEST SERIES (CHEMISTRY FST)

263998 Deficiency of vitamin D causes

1 Rickets
2 Night blindness
3 Scurvey
4 Beriberi
**NCERT-XII-II-296**
TEST SERIES (CHEMISTRY FST)

263999 The rate of reaction doubles when the concentration of the reactant is increased four times. Order of the reaction is

1 2
2 1
3 \(1 / 2\)
4 -1
**NCERT-XII-I-67**
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TEST SERIES (CHEMISTRY FST)

263996 Choose the weakest acid among the following:

1 \(\mathrm{F}_3 \mathrm{CCOOH}\)
2 \(\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\)
4 \(\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}\)
**NCERT-XI-II-251**
TEST SERIES (CHEMISTRY FST)

263997 Consider the following carbocations: I. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_2\) II. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{C}^{+} \mathrm{H}_2\) III. \(\left.\mathrm{C}_6 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_4 \mathrm{C}_6 \mathrm{H}_5\right)\) IV. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}^{+}\left(\mathrm{C}_6 \mathrm{H}_5\right)_2\) The correct sequence of the stability of these is :

1 II \(<\) I \(<\) III \(<\) IV
2 II \(<\) III \(<\) I \(<\) IV
3 II \(<\) I \(<\) II \(<\) IV
4 IV \(<\) III \(<\) I \(<\) II
**NCERT-XI-II-278**
TEST SERIES (CHEMISTRY FST)

263998 Deficiency of vitamin D causes

1 Rickets
2 Night blindness
3 Scurvey
4 Beriberi
**NCERT-XII-II-296**
TEST SERIES (CHEMISTRY FST)

263999 The rate of reaction doubles when the concentration of the reactant is increased four times. Order of the reaction is

1 2
2 1
3 \(1 / 2\)
4 -1
**NCERT-XII-I-67**
For More Updates join with Us
TEST SERIES (CHEMISTRY FST)

263996 Choose the weakest acid among the following:

1 \(\mathrm{F}_3 \mathrm{CCOOH}\)
2 \(\mathrm{CH}_3 \mathrm{COOH}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\)
4 \(\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}\)
**NCERT-XI-II-251**
TEST SERIES (CHEMISTRY FST)

263997 Consider the following carbocations: I. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_2\) II. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{C}^{+} \mathrm{H}_2\) III. \(\left.\mathrm{C}_6 \mathrm{H}_5 \mathrm{C}+\mathrm{H}_4 \mathrm{C}_6 \mathrm{H}_5\right)\) IV. \(\mathrm{C}_8 \mathrm{H}_5 \mathrm{C}^{+}\left(\mathrm{C}_6 \mathrm{H}_5\right)_2\) The correct sequence of the stability of these is :

1 II \(<\) I \(<\) III \(<\) IV
2 II \(<\) III \(<\) I \(<\) IV
3 II \(<\) I \(<\) II \(<\) IV
4 IV \(<\) III \(<\) I \(<\) II
**NCERT-XI-II-278**
TEST SERIES (CHEMISTRY FST)

263998 Deficiency of vitamin D causes

1 Rickets
2 Night blindness
3 Scurvey
4 Beriberi
**NCERT-XII-II-296**
TEST SERIES (CHEMISTRY FST)

263999 The rate of reaction doubles when the concentration of the reactant is increased four times. Order of the reaction is

1 2
2 1
3 \(1 / 2\)
4 -1
**NCERT-XII-I-67**