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Q:

Electron configuration of cobalt 2+?

Answer

The s,p,d,f configuration for cobalt (Co) is 1s22s22p63s23p64s23d7, determined by the position of the element on the periodic table. The electron configuration for Cobalt at ground state would simply be Co: [Ar] 4s23d7.


The electron configuration of Cobalt will end in d block as Cobalt is an inner transition metal. Cobalt is in the 7th column of the d block and therefore has 7 d electrons d7.

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Subject: Chemistry Exam Prep: AIEEE
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Q:

Rearrange the parts of the sentence in correct order

Imagine the government

P-were an investor,
Q-trying to maximize India's long-run
R-economic growth

A) PRQ B) PQR
C) QRP D) RPQ
 
Answer & Explanation Answer: B) PQR

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Q:

Improve the bracketed part of the sentence.

The thief escaped (from burning) as the noble King pardoned him.

A) of being burnt B) from being burnt
C) from having being burnt D) no improvement
 
Answer & Explanation Answer: B) from being burnt

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Q:

Improve the bracketed part of the sentence.

 

The kids are happy. They (were playing ) in the pool since noon.

 

A) are playing B) played
C) have been playing D) no improvement
 
Answer & Explanation Answer: C) have been playing

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Q:

What are the products formed during photosynthesis?

 

A) Glucose, Water and Oxygen B) Glucose and Oxygen
C) Starch and Oxygen D) Starch, Water and Oxygen
 
Answer & Explanation Answer: A) Glucose, Water and Oxygen

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Filed Under: Biology
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Q:

Select the antonym of

offensive

A) obnoxious B) agreeable
C) repugnant D) odious
 
Answer & Explanation Answer: B) agreeable

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Q:

What is the name of the Made-in-India alternative to Twitter?

 

A) Koo B) Freak
C) Whisper D) Sparrow
 
Answer & Explanation Answer: A) Koo

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Filed Under: General Awareness
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Q:

Improve the bracketed part of the sentence.

 

On a holiday, Priya (prefers reading than going) for shopping.

A) prefers reading rather going B) prefers reading to going
C) preferred reading to go D) No improvement
 
Answer & Explanation Answer: B) prefers reading to going

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