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3 years ago

What is the reducing agent in the reaction below?

Chemistry

2 answers:

frez [133]3 years ago

4 0

Option (a) is correct.
A reducing agent is the one which loses electrons to other substance and an oxidizing agent is one which accepts electrons.
Here, In $CrO_{3}$ , Cr has oxidation number 6+ in the L.H.S of the equation, but on R.H.S its oxidation number is 0 i.e. it Cr has gained electrons such that total charge is 0.
And the oxidation state of Al in the left-hand side of equation is 0 and in right-hand side, it is +6.i.e. it has donated its electrons to Cr.

Hence, Cr is the oxidizing agent and Al is the reducing agent.

igomit [66]3 years ago

3 0

Al is oxidized and Cr is reduced. So Al is the reducing agent.

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Aleks04 [339]

Answer:

He is wrong . Most accurate is Buret .

Explanation:

The number of significant figure denotes the level of accuracy of a measurement .

Beaker can measure liquid in mL upto significant figure of 2 . That means it can measure volume in terms of 10 , 20 , 30mL etc . It can not measure 25 mL

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Calculate the mass percent of Cl in Freon -112 (C2 Cl4 F2), a CFC refrigerant

Karolina [17]

Answer:

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Explanation:

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