1
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The triad of nuclei that is isotonic is
A
$${}_6^{14}C$$, $${}_7^{15}N$$, $${}_9^{17}C$$
B
$${}_6^{12}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$
C
$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{17}C$$
D
$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$
2
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
The equivalent weight of MnSO4 is half of its molecular weight, when it converts to
A
Mn2O3
B
MnO2
C
$$MnO_4^ - $$
D
$$MnO_4^{2 - }$$
3
IIT-JEE 1988
MCQ (Single Correct Answer)
+1
-0.25
In which mode of expression, the concentration of a solution remains independent of temperature?
A
Molarity
B
Normality
C
Formality
D
Molality
4
IIT-JEE 1988
Subjective
+2
-0
A sugar syrup of weight 214.2 g contains 34.2 g of sugar (C12H22O11). Calculate (i) molal concentration and (ii) mole fraction of sugar in the syrup
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