What would happen when a small quantity of \( \mathrm{H}_{2} \mathrm{O}_{2} \) is added to a sol... VIDEO
What would happen when a small quantity of \( \mathrm{H}_{2} \mathrm{O}_{2} \) is added to a solution of \( \mathrm{FeSO}_{4} \) ?
(A) Colour disappears
(B) \( \mathrm{H}_{2} \) is evolved
(C) An electron is added to \( \mathrm{Fe}^{2+} \)
(D) An electron is lost by \( \mathrm{Fe}^{2+} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-12-24 Aqueous solution of \( \mathrm{SO}_{2} \) reacts with \( \mathrm{H}_{2} \mathrm{~S} \) to precip... 2022-12-24 At \( 1000 \mathrm{~K} \), the pressure of iodine gas is found to be \( 0.112 \) atm due to part... 2022-12-24 Le Chatelier's principle is applicable to both and equilibria. 2022-12-24 यदि \( y=\log \sqrt{\left(\frac{1-\cos x}{1+\cos x}\right)} \), तब \( \frac{d y}{d x} \) ज्ञात क... 2022-12-24 Arrange methylamine (I), benzylamine (II) and ammonia (III) in order of basicity.
(A) \( \mathrm... 2022-12-24 True/False
The root mean square speeds of the molecules of different gases at same temperature a... 2022-12-24 True/False Real gases consists of atoms or molecules with intermolecular attractions and repulsions. 2022-12-24 True/False Kinetic energy of molecule is zero at \( 0^{\circ} \mathrm{C} \). 2022-12-24 True/False Nitrogen diffuses faster than oxygen through an orifice. 2022-12-24 निम्न फलनों का \( x \) के सापेक्ष अवकल गुणांक ज्ञात कीजिये-
\[
\sec ^{-1}\left(\frac{1}{2 x^{2}-... 2022-12-24 What would happen when a small quantity of \( \mathrm{H}_{2} \mathrm{O}_{2} \) is added to a sol... 2022-12-24 यदि \( y=\sqrt{\frac{1+\sin x}{1-\sin x}} \), तब प्रमाणित कीजिये कि \( \cos x \frac{d y}{d x}=y \) 2022-12-24 For the galvanic cell
\[
\mathrm{Ag}(\mathrm{s})|\mathrm{AgCl}(\mathrm{s}), \mathrm{NaCl}(0.2 \m... 2022-12-24 यदि \( y=\log \left[x+\sqrt{\left(1+x^{2}\right)}\right] \), तब सिद्ध कीजिये कि
\[
\sqrt{\left(1... 2022-12-24 यदि \( y=\log \sqrt{\left(\frac{1+\sin x}{1-\sin x}\right)} \), तब \( \frac{d y}{d x} \) ज्ञात क... 2022-12-24 निम्न फलनों का \( x \) के सापेक्ष अवकल गुणांक ज्ञात कीजिये-
\[
y=\tan ^{-1}\left[\frac{\sqrt{1+x... 2022-12-24 If \( \frac{Q}{K_{c}}1 \), then the reaction proceeds to ........... but if \( \frac{Q}{K_{c}}1 ... 2022-12-24 \( \triangle A B C \) में सिद्ध कीजिए कि-
\[
\cos ^{2} A+\cos ^{2} B+\cos ^{2} C=1-2 \cos A \cos... 2022-12-24 High pressure is favourable for those reversible reactions in which there is in the number of mo... 2022-12-24 \( i \) सर्वसमिकाएँ सिद्ध कीजिए, जहाँ वे कोण, जिनके लिए व्यंजक परिभाषित है, न्यून कोण है :
\[
\f... 2022-12-24 ऊँचाई \( 2.4 \mathrm{~cm} \) और व्यास \( 1.4 \mathrm{~cm} \) वाले एक ठोस बेलन में से इसी ऊँचाई औ...