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Zeigler Natta catalyst is:...

Zeigler Natta catalyst is:

A

Fe

B

Zr

C

Rh

D

Ti

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The correct Answer is:
D
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STATEMENT-1: Ti metal present in Zieglar Natta catalyst STATEMENT-2: Os with +8 oxidation state exist in OsF_(8) STATEMENT-3: +7 oxidation state is more stable for 4d and 5d elements compared to 3d metal

Consider the Assertion and Reason given below. Assertion (A) : Ethene polymerized in the presence of Ziegler Natta Catalyst at high temperature and pressure is used to make buckets and dustbins. Reason (R) : High density polymers are closely packed and are chemically inert. Choose the correct answer from the following :

Statement -1: High density polythene is form when addittion polymerisation of ethene takes place in a hydrocarbon solvent in the presence of a catalyst Ziegler-Natta catalyst at a temperature of 333k to 343k and under a pressure of 6-7 atmosphere. Statement -2: High density polythene consists of linear molecules and has a high density due to closed packing and it is used for manufacturing buckets, dustbins, bottles. select correct option regarding these statements.

ALLEN-CHEMISTRY AT A GLANCE-INORGANIC CHEMISTRY
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  4. Which of the following is a pi-acid ligand?

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  7. Which of the following doesn’t follow effective atomic number rule ?

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  8. Among the following ions which has the highest paramagntism ? .

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  9. Same number of unpaired electron is observed in which of the following...

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  10. Which of the following statement is correct about ethane 1,2 diamine...

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  11. Which is correctly matched

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  12. Which of the following complex species is not expected to exhibit opti...

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  13. When excess of ammonia is added to copper sulphate solution , the deep...

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