Question
How many sodium ions and chloride ions are present in a
unit cell of sodium chloride crystal? ĀSolution
(i) For a crystal of sodium the type if lattice in which it crystallises is Face Centered Cubic (fcc). (ii) The co-ordination number of each sodium ion and chloride ion in the crystal lattice isĀ 6:6. (iii) The number of sodium ions and chloride ions present in a unit cell is 4 each. (iv) The structural arrangement of the sodium chloride crystal is cubic close packing with Clā ions at corners and face centres and Na+ ions at edge centres and body centre, With respect to Na+ ion it is octahedral.
According to the Economic Survey 2021-22, what is the rank of India (Globally) in average annual netĀ gain in forest area?
Who has become the Prime Minister of the 14th Government of the Republic of Slovenia in March 2020?
Earth day is celebrated on every 22nd April related with
A man pointing to a lady said, āThe son of her only brother is the brother of my wifeā. The lady is related to the man as:
Consider the following balanced equation:
CO (g) + 2H2 (g) ā CH3 OH (I)
How many moles of CH3OH (I) can be obtained by reacting 2.0...
Every plantation employing _______ or more workers is required to appoint a welfare officer.
Which of the following is divisible by both 4 and 8?
With reference to the soil conservation, consider the following practices:
1. Crop relation
2. Sand fences
3. Terracing
4. W...
Which of the following statements about standard deviation is true?Ā
Who flagged off the Baba Saheb Ambedkar Yatra Bharat Gaurav Tourist train from New Delhi and what is the purpose of this train?