NANDANI KUMARI asked a question
II)Cr2+ is reducing agent as its configuration changes from d4 to d3, when it is oxidized to Cr3+ .The d3 configuration have a half-filled t2g level which is very stable. On the other hand, the reduction of Mn3+ to Mn2+ results in the half-filled (d5) configuration which has extra stability hence Mn3+ acts as oxidizing agent.
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grishma gautam asked a question

1.ans:  No the tension in the string of a simple pendulum is not constant throughout the motion                                     

v is velocity of the bob and theta is the angle made by the string with vertical axis.
as v and  both are variable T is also variable.
T is maximum at mean position as at mean position v is max and the angle is minimum.


2.ans: If the amplitude of the simple...

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Bijaya Rajbhandari asked a question

Aksionov used to drink a lot, was riotous, and was involved in illegal activities before his marriage

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