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DINESH PUBLICATION-P BLOCK ELEMENTS (GROUP 13 AND 14 )-Multiple choice
- The difference in properties of CH(4) and SiH(4) is due to :
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- C Cl(4) is inert towards hydrolysis but SiCl(4) is readily hydrolysed...
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- Which of the following oxides has three dimensional structure?
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- When carbon burns in air, it forms two oxides CO and CO(2). This shows...
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- The number and type of bonds between two carbon atoms in CaC(2) are:
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- Which has the lowest b.p?
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- Thallium shows different oxidation states due to :
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- Which is the strongest Lewis acid?
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- Which is used in high temperature thermometry ?
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- Three centred two electron bond is present in
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- The most that does not give the borax bead test
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- There are two H-bridge bonds in diborane molecule because there are
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- Corundum is
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- Action of caustc soda on aluminium hydrox ide giv es a compound with f...
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- The types of hybridisation of boron in diborane is
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- A metal ion M^(3+) loses three electrons , its oxidation number will b...
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- The chemical composition of cyolite mineral is:
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- In borax bead test, which compound is formed?
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- Inorganic graphite is
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- Which of the following is acidic in nature ?
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