CHEM BRAIN

On analysis, a certain compound was found to contain iodine and oxygen in the ratio of 254 gm of iodine and 80 gm of oxygen. Chemical Bonding 103 The atomic mass of iodine is 127 and that of oxygen is 16. Which of the following is the formula of the compound 

On analysis, a certain compound was found to contain iodine and oxygen in the ratio of 254 gm of iodine and 80 gm of oxygen. Chemical Bonding 103 The atomic mass of iodine is 127 and that of oxygen is 16. Which of the following is the formula of the compound 

The interatomic distances in H 2 and Cl 2 molecules are 74 and 198 pm respectively. The bond length of HCl is [MP PET 1993] 

As compared to covalent compounds, electrovalent compounds generally have [CPMT 1990, 94; MP PMT 1997] 

Hydrogen chloride molecule contains a [CPMT 1984] 

The covalency of nitrogen in HNO3 is [CPMT 1987]

Which of the following substances has covalent bonding [AMU 1985] 

The valency of phosphorus in H₃PO₄ is [DPMT 1984] 

The bond between two identical non-metal atoms has a pair of electrons [CPMT 1986]

A covalent bond is likely to be formed between two elements which 

Solid CH₄ is [DPMT 1983]

Bond energy of covalent O - H bond in water is [EAMCET 1982] 

The correct sequence of increasing covalent character is represented by [CBSE PMT 2005] 

The correct sequence of increasing covalent character is represented by [CBSE PMT 2005] 

The covalent compound HCl has the ionic character as [EAMCET 1980]

Which is the most covalent [AFMC 1982]

If the atomic number of element X is 7, the best electron dot symbol for the element is [NCERT 1973; CPMT 2003] 

Indicate the nature of bonding in CCl₄ and CaH₂ [NCERT 1973] 

Which of the following compounds are covalent [IIT 1980; MLNR 1982]

Octet rule is not valid for the molecule [IIT 1979; MP PMT 1995] 

Indicate the nature of bonding in diamond [EAMCET 1980; BHU 1996; KCET 2000] 

Amongst the following covalent bonding is found in [CPMT 1973] 

A bond with maximum covalent character between non-metallic elements is formed [NCERT 1982] 

Which of the following occurs when two hydrogen atoms bond with each others 

Silicon has 4 electrons in the outermost orbit. In forming the bonds 

Which among the following elements has the tendency to form covalent compounds 

Which one is the electron deficient compound [AIIMS 1982]

Covalent compounds are generally ...... in water [CPMT 1987] 

Which type of bond is formed between similar atoms

For the formation of covalent bond, the difference in the value of electronegativities should be [EAMCET 1982]

The electron pair which forms a bond between two similar nonmetallic atoms will be [IIT 1986]

With which of the given pairs CO2 resembles [BHU 2005] 

Which of the following substances has giant covalent structure [DPMT 1985, 86; NCERT 1975] 

The nature of bonding in graphite is [DPMT 1986; CPMT 1986] 

Which compound is highest covalent

In covalency [CPMT 1974, 76, 78, 81; AFMC 1982]

The number of electrons involved in the bond formation of N₂ molecule [IIT 1980; CPMT 1983, 84, 85; CBSE PMT 1992]

The electronic configuration of four elements are given in brackets 

L ( 1s² , 2s² 2p¹ ) ; M ( 1s² , 2s² 2p⁵ )

Q ( 1s² , 2s² 2p⁶, 3s¹ ) ; R ( 1s² , 2s² 2p² )

The element that would most readily form a diatomic molecule is [UPSEAT 2001]

Which of the following has largest number of shared pair electrons MDCAT2018

Which of the following substances has giant covalent structure [DPMT 1985, 86; NCERT 1975]

The number of electrons involved in the bond formation of N₂ molecule [IIT 1980; CPMT 1983, 84, 85; CBSE PMT 1992]